Draper HSS DRILL BIT SET - 170PCS 08854 Black HSS Drill Bit Set (170 Piece) Sealants Features: Socket and bit set

Features: Socket and bit set

Material from common brickwork to hard concrete (80-100mm) can now be drilled dry

Supplied with: 1 x Hole Punch

High grade steel construction with a phosphate finish for corrosion protection

Ribs under the head for improved countersinking

Draper HSS DRILL BIT SET - 170PCS 08854 Black HSS Drill Bit Set (170 Piece) Sealants Features: Socket and bit setBlack HSS Drill Bit Set (170 Piece)HSS DRILL BIT SET 170PCS 08854 Drill Bit Sets HSS Twist Drills These high speed steel drill bits are fully ground with a 135 split point for precise centring to prevent drill wander. The black oxide coating ensures the drill bits are more durable and resistant to corrosion than standard HSS bits. Draper Black Series drill bits do not need to be used in conjunction with a cooling agent. Suitable for use with metal,